1-Allyl- (2) and 7-allyl-6-amino-3-methyl-1,2,4-triazolo[3,4-f][1,2,4]triazin-8(7H)-one (3) were obtained via the 18-crown-6-ether catalyzed room temperature reactionof 6-amino-3-methyl-1,2,4-triazolo[3,4-f][1,2,4]triazin-8(7H)-one (1) with potassiumcarbonate and allyl bromide in dry acetone. The structures of these two derivatives wereverified by 2D-NMR measurements, including gHSQC and gHMBC measurements. Theminor compound 2 may possess aromatic character. A single crystal X-ray diffractionexperiment indicated that the major compound 3 crystallizes from dimethyl sulfoxide in themonoclinic space group P21/n and its molecular structure includes an attached dimethylsulfoxide molecule, resulting in the molecular formula C10H16N6O2S. Molecular structuresof 3 are linked by extensive intermolecular N-H···N hydrogen bonding [graph set C 1 (7)]. 1Each molecule is attached to the dimethyl sulfoxide oxygen via N-H···O intermolecularhydrogen bonding. The structure is further stabilized by π-π stacking interactions.
3-甲基-1,2,4-三唑并[3,4-f]
[1,2,4]三嗪-8(7H)-酮 (1) 与
碳酸钾和烯丙基
溴在干燥
丙酮中的室温催化反应得到。通过二维核磁共振测量,包括 gHSQC 和 gHMBC 测量,验证了这两种衍
生物的结构。小化合物 2 可能具有芳香特性。单晶 X 射线衍射实验表明,主要化合物 3 由
二甲基亚砜结晶而成,其空间群为单斜 P21/n,分子结构包括一个附着的
二甲基亚砜分子,分子式为
C10H16N6O2S。3 的分子结构通过广泛的分子间 N-H-N 氢键连接[图集 C 1 (7)]。1 每个分子都通过 N-H-O 分子间氢键与
二甲基亚砜氧相连。π-π堆积相互作用进一步稳定了该结构。